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Njabulo Stainless, based in Cape Town, South Africa, is a trusted manufacturer and supplier of Stainless Steel 440B Sheets and Plates. These high-quality sheets and plates are made to provide strength, durability, and excellent wear resistance for industrial and mechanical applications. Njabulo Stainless ensures precise dimensions, smooth surfaces, and consistent quality, making them reliable for manufacturing and structural use. Stainless Steel 440B sheets and plates are widely used in cutting tools, industrial machinery, automotive components, and high-wear equipment, where hardness, corrosion resistance, and high-performance material are essential for long-lasting and efficient operations.
Stainless Steel 440B Sheets and Plates are made from martensitic stainless steel 440B, containing high carbon (0.60–0.75%) and chromium (16–18%). This composition provides excellent hardness, wear resistance, and moderate corrosion resistance. Mechanically, 440B sheets and plates offer high tensile strength, toughness, and dimensional stability, making them suitable for high-load, high-wear, and precision applications. Precision manufacturing ensures uniform thickness and smooth surfaces. These properties make 440B sheets and plates ideal for industrial and mechanical applications requiring durability, high hardness, and resistance to wear and corrosion.
| Specifications | ASTM A240 / ASME SA240, BS EN 10088-2, en 10028-7, IS 6911 |
|---|---|
| Plates Dimension Standard | MSRR, AMS, BS, JIS, AISI, ASTM, GB, DIN, EN, etc |
| Plates Thickness | 0.3 mm to 120 mm |
| Plates Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Plates Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Finish | 2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc. |
| Hardness | Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
| Profiling | Plasma Plate Cutting, Laser Plate Cutting, Oxy-propane Flame Cutting |
| Grade | C | Mn | Si | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
| 440B | 0.6 -0.75 | 1.00 max | 1.00 max | 0.04 max | 0.030 max | 16.00 -18.00 | – |
| Tempering Temperature (°C) | Tensile Strengtd (MPa) | Yield Strengtd 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell (HR C) | Impact Charpy V (J) |
|---|---|---|---|---|---|
| Annealed* | 758 | 448 | 14 | 269HB max | – |
| 204 | 2030 | 1900 | 4 | 59 | 9 |
| 260 | 1960 | 1830 | 4 | 57 | 9 |
| 316 | 1860 | 1740 | 4 | 56 | 9 |
| 371 | 1790 | 1660 | 4 | 56 | 9 |
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The excellent corrosion resistance provided by Stainless Steel 440B Hot Rolled Sheets ensures that it can be delivered in sizes between 3mm up to 150mm thickness, and in up to 2500mm width, for use where high strength and resistance to wear is required.
Cold-rolled stainless steel plates 440B have excellent corrosion resistance and a bright finish. These plates are available in a thickness range of 0.3mm to 6mm and widths up to 2000mm, which makes them ideal for precision applications that require tight tolerances.
Stainless Steel 440B Chequered Plates, with raised patterns for improved grip, are resistant to corrosion. The thicknesses available are 1.5mm to 10mm, and the widths go up to 1500mm, which is perfect for flooring and stair treads.
The perforated sheets are made from Stainless Steel 440B, providing corrosion resistance and ventilation. Generally available in a thickness range of 0.5mm to 3mm, and sheet sizes up to 2000mm x 4000mm, the perforated sheets are used for filtration, architectural, and decorative applications.
Stainless Steel 440B Shim Sheets are corrosion resistant and find applications in fine adjustment of machines and tools. The sheets have a thickness ranging from 0.05mm to 3mm and come in standard sizes such as 1000mm x 2000mm.
The 440B Polished Plates of Stainless Steel offer corrosion resistance along with an excellent aesthetic appeal, and are offered in a variety of thicknesses between 1mm and 50mm and widths up to 2000mm, especially for decorative and architectural applications.
At Njabulo Stainless, we give prime importance to quality along with great customer service backed up by rich documentation of the excellent Stainless Steel 440B Sheets and Plates that we deliver. We give essential documents that include the commercial invoice, the packing list, fumigation certificate, heat treatment chart, quality assurance plan, and a lab test report NABL approved. Such rich documentation of these premium quality products increases trust and confidence in the product from the most valued customers’ side. Besides, we provide Stainless Steel 440B Sheets and Plates with different test certificates, such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate, as a reflection of our commitment to excellence and customer satisfaction.
Stainless Steel 440B Sheets and Plates are widely used in cutting tools, industrial machinery, automotive components, and high-wear equipment. They are ideal for manufacturing blades, shafts, dies, valves, gears, and wear-resistant parts that demand hardness and durability. Their combination of high wear resistance and moderate corrosion resistance makes them suitable for precision tools, heavy machinery, and industrial equipment exposed to friction and stress. In manufacturing and mechanical applications, 440B sheets and plates provide long-lasting, reliable, and high-performance material. Overall, they deliver strength, durability, and wear resistance, making them essential for demanding industrial and mechanical uses.
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